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Heading Off Disruptive Behavior

How Early Intervention Can Reduce Defiant Behavior—and Win Back Teaching Time

By Hill M. Walker, Elizabeth Ramsey, Frank M. Gresham

More and more children from troubled, chaotic homes are bringing well-developed patterns of antisocial behavior to school. Especially as these students get older, they wreak havoc on schools. Their aggressive, disruptive, and defiant behavior wastes teaching time, disrupts the learning of all students, threatens safety, overwhelms teachers—and ruins their own chances for successful schooling and a successful life.

In a poll of AFT teachers, 17 percent said they lost four or more hours of teaching time per week thanks to disruptive student behavior; another 19 percent said they lost two or three hours. In urban areas, fully 21 percent said they lost four or more hours per week. And in urban secondary schools, the percentage is 24. It's hard to see how academic achievement can rise significantly in the face of so much lost teaching time, not to mention the anxiety that is produced by the constant disruption (and by the implied safety threat), which must also take a toll on learning.

But it need not be this way in the future. Most of the disruption is caused by no more than a few students per class*—students who are, clinically speaking, "antisocial." Provided intervention begins when these children are young, preferably before they reach age 8, the knowledge, tools, and programs exist that would enable schools to head off most of this bad behavior—or at least greatly reduce its frequency. Schools are not the source of children's behavior problems, and they can't completely solve them on their own. But the research is becoming clear: Schools can do a lot to minimize bad behavior—and in so doing, they help not only the antisocial children, they greatly advance their central goal of educating children.

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In recent decades, antisocial behavior has been the subject of intense study by researchers in various disciplines including biology, sociology, social work, psychiatry, corrections, education, and psychology. Great progress has been made in understanding and developing solutions for defiant, disruptive, and aggressive behavior (see Burns, 2002). The field of psychology, in particular, with its increasingly robust theories of "social learning" and "cognition," has developed a powerful empirical literature that can assist school personnel in coping with, and ultimately preventing, a good deal of problematic behavior. Longitudinal and retrospective studies conducted in the United States, Australia, New Zealand, Canada, and various western European countries have yielded knowledge on the long-term outcomes of children who adopt antisocial behavior, especially those who arrive at school with it well developed (see Reid et al., 2002). Most importantly, a strong knowledge base has been assembled on interventions that can head off this behavior or prevent it from hardening (Loeber and Farrington, 2001).

To date, however, this invaluable knowledge base has been infused into educational practice in an extremely limited fashion. A major goal of this article (and of our much larger book) is to communicate and adapt this knowledge base for effective use by educators in coping with the rising tide of antisocial students populating today's schools. In our book, you'll find fuller explanations of the causes of antisocial behavior, of particular forms of antisocial behavior like bullying, and of effective—and ineffective—interventions for schools. And all of this draws on a combination of the latest research and the classic research studies that have stood the test of time.

In this article, we look first at the source of antisocial behavior itself and ask: Why is it so toxic when it arrives in school? Second, we look at the evidence suggesting that early intervention is rare in schools. Third, we look at a range of practices that research indicates should be incorporated into school and classroom practice. Fourth, in the accompanying sidebars we give examples of how these practices have been combined in different ways to create effective programs.

I. Where Does Antisocial Behavior Come from and What Does That Mean for Schools?

Much to the dismay of many classroom teachers who deal with antisocial students, behavior-management practices that work so well with typical students do not work in managing antisocial behavior. In fact, teachers find that their tried and true behavior-management practices often make the behavior of antisocial students much worse. As a general rule, educators do not have a thorough understanding of the origins and developmental course of such behavior and are not well trained to deal with moderate to severe levels of antisocial behavior. The older these students become and the further along the educational track they progress, the more serious their problems become and the more difficult they are to manage.

How can it be that behavior-management practices somehow work differently for students with antisocial behavior patterns? Why do they react differently? Do they learn differently? Do they require interventions based on a completely different set of learning principles? As we shall see, the principles by which they acquire and exercise their behavioral pattern are quite typical and predictable.

One of the most powerful principles used to explain how behavior is learned is known as the Matching Law (Herrnstein, 1974). In his original formulation, Herrnstein (1961) stated that the rate of any given behavior matches the rate of reinforcement for that behavior. For example, if aggressive behavior is reinforced once every three times it occurs (e.g., by a parent giving in to a temper tantrum) and prosocial behavior is reinforced once every 15 times it occurs (e.g., by a parent praising a polite request), then the Matching Law would predict that, on average, aggressive behavior will be chosen five times more frequently than prosocial behavior. Research has consistently shown that behavior does, in fact, closely follow the Matching Law (Snyder, 2002). Therefore, how parents (and later, teachers) react to aggressive, defiant, and other bad behavior is extremely important. The Matching Law applies to all children; it indicates that antisocial behavior is learned—and, at least at a young enough age, can be unlearned. (As we will see in the section that reviews effective intervention techniques, many interventions—like maintaining at least a 4 to 1 ratio of praising versus reprimanding—have grown out of the Matching Law.)

First Comes the Family…Antisocial behavior is widely believed to result from a mix of constitutional (i.e., genetic and neurobiological) and environmental (i.e., family and community) factors (Reid et al., 2002). In the vast majority of cases, the environmental factors are the primary causes—but in a small percentage of cases, there is an underlying, primarily constitutional, cause (for example, autism, a difficult temperament, attention deficit/hyperactivity disorder [ADHD], or a learning disorder). Not surprisingly, constitutional and environmental causes often overlap and even exacerbate each other, such as when parents are pushed to their limits by a child with a difficult temperament or when a child with ADHD lives in a chaotic environment.

Patterson and his colleagues (Patterson et al., 1992) have described in detail the main environmental causes of antisocial behavior. Their model starts by noting the social and personal factors that put great stress on family life (e.g., poverty, divorce, drug and alcohol problems, and physical abuse). These stressors disrupt normal parenting practices, making family life chaotic, unpredictable, and hostile. These disrupted parenting practices, in turn, lead family members to interact with each other in negative, aggressive ways and to attempt to control each others' behavior through coercive means such as excessive yelling, threats, intimidation, and physical force. In this environment, children learn that the way to get what they want is through what psychologists term "coercive" behavior: For parents, coercion means threatening, yelling, intimidating, and even hitting to force children to behave. (Patterson [1982] conducted a sequential analysis showing that parental use of such coercive strategies to suppress hostile and aggressive behavior actually increased the likelihood of such behavior in the future by 50 percent.)

For children, coercive tactics include disobeying, whining, yelling, throwing tantrums, threatening parents, and even hitting—all in order to avoid doing what the parents want. In homes where such coercive behavior is common, children become well-acquainted with how hostile behavior escalates—and with which of their behaviors ultimately secure adult surrender. This is the fertile ground in which antisocial behavior is bred. The negative effects tend to flow across generations much like inherited traits.†

By the time they are old enough for school, children who have developed an antisocial profile (due to either constitutional or environmental factors) have a limited repertoire of cooperative behavior skills, a predilection to use coercive tactics to control and manipulate others, and a well-developed capacity for emotional outbursts and confrontation.

…Then Comes SchoolFor many young children, making the transition from home to school is fraught with difficulty. Upon school entry, children must learn to share, negotiate disagreements, deal with conflicts, and participate in competitive activities. And, they must do so in a manner that builds friendships with some peers and, at a minimum, social acceptance from others (Snyder, 2002). Children with antisocial behavior patterns have enormous difficulty accomplishing these social tasks. In fact, antisocial children are more than twice as likely as regular children to initiate unprovoked verbal or physical aggression toward peers, to reciprocate peer aggression toward them, and to continue aggressive behavior once it has been initiated (Snyder, 2002).‡

From preschool to mid-elementary school, antisocial students' behavior changes in form and increases in intensity. During the preschool years, these children often display aversive behaviors such as frequent whining and noncompliance. Later, during the elementary school years, these behaviors take the form of less frequent but higher intensity acts such as hitting, fighting, bullying, and stealing. And during adolescence, bullying and hitting may escalate into robbery, assault, lying, stealing, fraud, and burglary (Snyder and Stoolmiller, 2002).

Although the specific form of the behavior changes (e.g., from noncompliance to bullying to assault), its function remains the same: Coercion remains at the heart of the antisocial behavior. As children grow older, they learn that the more noxious and painful they can make their behavior to others, the more likely they are to accomplish their goals—whether that goal is to avoid taking out the trash or escape a set of difficult mathematics problems. An important key to preventing this escalation (and therefore avoiding years of difficult behavior) is for adults to limit the use of coercive tactics with children—and for these adults to avoid surrendering in the face of coercive tactics used by the child. This has clear implications for school and teacher practices (and, of course, for parent training, which is not the subject of this article).

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Frequent and excessive noncompliance in school (or home) is an important first indicator of future antisocial behavior. A young child's noncompliance is often a "gate key" behavior that triggers a vicious cycle involving parents, peers, and teachers. Further, it serves as a port of entry into much more serious forms of antisocial behavior. By treating noncompliance effectively at the early elementary age (or preferably even earlier), it is possible to prevent the development of more destructive behavior.

II. Early Intervention Is Rare

How many children are antisocial? How many are getting help early? To study the national incidence of antisocial behavior among children, researchers focus on two psychiatric diagnoses: oppositional defiant disorder and conduct disorder. Oppositional defiant disorder, the less serious of the two, consists of an ongoing pattern of uncooperative, angry behavior including things like deliberately trying to bother others and refusing to accept responsibility for mistakes. Conduct disorder is characterized by severe verbal and physical aggression, property destruction, and deceitful behavior that persist over time (usually one or more years). Formal surveys have generally indicated that between two and six percent of the general population of U.S. children and youth has some form of conduct disorder (Kazdin, 1993).

Without someone intervening early to teach these children how to behave better, half of them will maintain the disorder into adulthood and the other half will suffer significant adjustment problems (e.g., disproportionate levels of marital discord and difficulty keeping a job) during their adult lives (Kazdin, 1993). (It is worth noting that on the way to these unpleasant outcomes, most will disrupt many classrooms and overwhelm many teachers.) When we add in oppositional defiant disorder (which often precedes and co-occurs with conduct disorder), estimates have been as high as 16 percent of the U.S. youth population (Eddy, Reid, and Curry, 2002).

In contrast, school systems typically identify (through the Individuals with Disabilities Education Act [IDEA]) slightly less than one percent of the public school population as having emotional and behavioral problems. Further, the great tendency of schools is to identify these behavioral problems quite late in a child's school career.

The figure above provides a stark example of this practice, which is more typical than not in today's public school systems. Walker, Nikiosha, Zeller, Severson, and Feil (2000) examined the number of K–12 students in the 1993–94, 1997–98, and 1998–99 school years who were certified as emotionally disturbed (the IDEA category that captures antisocial students). As the figure shows, the number of students certified as emotionally disturbed peaks around age 15 (approximately 50,000 cases) during the 1997–98 and 1998–99 school years. Similarly, the older data, from the 1993–94 school year, show the peak in referrals spread over the ages 14, 15, and 17. These results suggest that a large number of students, who were no doubt in need of supports and services for emotional disturbance in their elementary and middle school years, were not referred, evaluated, or served under special education.§ Only in adolescence, when their behavior problems had become so intractable and difficult to accommodate, were many of these students finally identified and served. This practice of delayed referral is the polar opposite of what research clearly shows is necessary.

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Our society's social, cultural, and economic problems are spilling over into our schools. They are greatly complicating schools' central task of educating students safely and effectively. But the research is clear and growing: Even though many children and youth come from and return to chaotic, coercive home environments on a daily basis, they can still acquire sufficient behavioral control to succeed in school—and to allow classmates to learn in an orderly environment.

We have substantial knowledge about how to divert at-risk children, youth, and families from destructive outcomes.** We believe the problem is not one of knowing what to do, but of convincing schools to effectively use research-based intervention programs over the long term.

The remainder of this article is devoted to providing educators with guidelines and programs for early intervention that greatly reduce antisocial behavior. There are no magic bullets in the material presented herein. Dealing with the antisocial student population is difficult, frustrating, and, because schools tend to intervene too late, often without identifiable rewards. However, of all those who suffer from conditions and disorders that impair school performance, these students are among those with the greatest capacity for change—particularly when they first start school.

III. What Can Schools Do?

Schools are not the source of children's antisocial behavior, and they cannot completely eliminate it. But schools do have substantial power to prevent it in some children and greatly reduce it in others.

First, and in some ways most importantly, schools can help by being academically effective. The fact is, academic achievement and good behavior reinforce each other: Experiencing some success academically is related to decreases in acting out; conversely, learning positive behaviors is related to doing better academically. Kellam and his colleagues (1994), for example, showed experimentally that gains in first-grade academic achievement, as measured by standardized achievement tests, resulted in substantially reduced levels of aggression, according to behavior ratings by their teachers. And, confirming what common sense tells us, Caprara, Barbaranelli, Pastorelli, Bandura, and Zimbardo (2000) found that positive behaviors (like cooperating, sharing, and consoling) among very young children contributed to their later academic achievement.

Second, schools can, to a large and surprising extent, affect the level of aggression in young boys just by the orderliness of their classrooms. An intriguing longitudinal study dramatically illustrates the role of this variable in the development or prevention of aggressive behavior from first grade to middle school (Kellam, Rebok, Ialongo, and Mayer, 1994). After randomly assigning students to first-grade classrooms, researchers found that nearly half of the classrooms were chaotic and the remainder were reasonably well-managed. Of the boys in the study who began schooling in the top quartile of aggressive behavior (as rated by their teachers), those assigned to orderly classrooms had odds of 3:1 in favor of being highly aggressive in middle school. However, those boys assigned to chaotic classrooms had odds of 59:1 for being highly aggressive in middle school. This seminal finding suggests that poor classroom management by teachers in grade one is a huge, but preventable, factor in the development of antisocial behavior—and, conversely, that effective classroom management can have an enormous long-term positive effect on behavior. Thus, working closely with first-grade teachers (and, presumably, other early-grade teachers) on their behavior management can yield substantial future benefits for students and their schools by offsetting destructive outcomes.

But to some extent, this just begs the larger question: How can schools and their teachers create and sustain orderly classrooms? We summarize here the key findings and conclusions from 40 years of research. First, we present a three-tiered intervention model that matches the extent of children's behavioral problems to the power (and, therefore, cost) of the programs implemented. Second, we offer tools that can accurately and effectively identify students as young as kindergarten (and, in daycare or preschool settings, even at-risk three-year-olds can be identified) who are likely to become school behavior problems (and, later in life, delinquents and even adult criminals). Third, we review five techniques that, in combination, are at the heart of preventing antisocial behavior. Fourth, we describe specific programs with substantial and growing records of effectiveness that successfully incorporate all of the above into entirely doable, economical, and feasible school interventions. These programs can be purchased by schools from a variety of for-profit publishers and non-profit child and family services organizations. Some are inexpensive; the more expensive interventions tend to be individualized to meet the needs of highly aggressive children. All of the programs described in this article can be funded with either IDEA resources or school improvement funds. Programs for antisocial children, such as those described here, can also be funded in partnership with mental health agencies and/or through grants available through the Safe and Drug Free Schools division of the U.S. Department of Education. (See "Prevention Begins with Screening" for more information on funding.)

A. Three Levels of Intervention

Research has shown that the best way to prevent antisocial behavior is actually to start with an inexpensive schoolwide intervention and then add on more intensive interventions for the most troubled kids. Building on work done by the U.S. Public Health Service, Hill Walker and his colleagues developed a model with three progressively more intensive levels of intervention to address challenging behavior within schools (Walker, Horner, Sugai, Bullis, Sprague, Bricker, and Kaufman, 1996). This model has proved to be very popular among educational researchers and has been broadly adopted by practitioners as a way to select and coordinate interventions. It is sometimes referred to in educational forums as "the Oregon Model." However, this approach is clearly a matter of public domain and is not owned by anyone. The three levels of intervention are known as "universal," "selected," and "indicated." Each is briefly described below.

"Universal" interventions are school or classroom practices that affect all students. Examples of universal interventions relevant to behavior are classwide social skills training and well-enforced school discipline codes. (Outside of education, the polio vaccination is an example of a "universal intervention.") It may seem odd to implement a program for all students when most teachers can easily identify children who have, or are developing, antisocial behavior. But schoolwide programs accomplish three things. First, they improve almost all students' behavior—and most students, even if they don't qualify as troublemakers, still need some practice being well-behaved. Second, universal interventions have their greatest impact among students who "are on the margins"—those students who are just beginning to be aggressive or defiant. Sometimes, systematic exposure to a universal intervention will be sufficient to tip them in the right direction. Third, the universal intervention offers a foundation that supports the antisocial students throughout the day by reinforcing what they are learning in their more intensive selected and indicated interventions; these latter interventions are more efficient and have a greater impact when they are applied in the context of a prior, well-implemented, universal intervention.

Approximately 80 to 90 percent of all students will respond successfully to a well-implemented universal intervention (Sugai et al., 2002). Once the school environment is orderly, the antisocial students pop up like corks in water. These students have "selected" themselves out as needing more powerful "selected" interventions that employ much more expensive and labor-intensive techniques. The goal with these students is to decrease the frequency of their problem behaviors, instill appropriate behaviors, and make the children more responsive to universal interventions (Sugai et al., 2002). While selected interventions typically are based in the school, to be their most effective they often require parental involvement. Nevertheless, even when parents refuse to participate, selected interventions still have positive effects and are well worth the effort.

The vast majority of antisocial students will start behaving better after being involved in universal and selected interventions, but schools can expect that a very small percentage of antisocial students (about one to five percent of the total youth population) will not. These are the most severe cases—the most troubled children from the most chaotic homes—and they require extremely intensive, individualized, and expensive interventions. These interventions, called "indicated," are typically family focused, with participation and support from mental health, juvenile justice, and social service agencies, as well as schools. Most non-specialized schools will find that running such an intervention is beyond their capacity. It's for such students that alternative education settings are necessary.

This three-tiered intervention model offers a structure that educators can use when they are reviewing and trying to coordinate programs. It ensures that all students' needs will be met efficiently—each child is exposed to the level of intervention that his behavior shows he needs. This is a very cost-effective model for schools because interventions become much more expensive as they become more specialized.

But it all begins with effective early screening.

B. Early Screening and Identification of Potentially Antisocial Students

Many fields have well-established practices to identify problems early and allow for more effective treatments. For instance, in medicine, routine screening procedures such as prostate-specific antigen (PSA) tests to detect prostate cancer, mammograms to detect breast cancer, and Papanicolaou (Pap) tests to detect the early states of cervical cancer have been routine for years. Unfortunately, similar proactive, early identification approaches are not commonly used to identify children with, or at risk of developing, antisocial behavior.

But research shows that early identification is absolutely critical: Children who have not learned appropriate, non-coercive ways to interact socially by around 8 years of age (the end of third grade) will likely continue displaying some degree of antisocial behavior throughout their lives (Loeber and Farrington, 1998). We also know that the longer such children go without access to effective and early intervention services (particularly after the age of 8), the more resistant to change their behavior problems will be (Gresham, 1991) and the more expensive it will be to induce the change.

Yet, as discussed previously, schools offer special education services to just one percent of students, though two to 16 percent manifest some form of antisocial behavior—and virtually no special education services are provided before students become adolescents. The technology (usually simple normed checklists and observation instruments, as described below) for identifying such children is gradually becoming more accurate for children at younger and younger ages (Severson and Walker, 2002).

A particularly valuable approach to screening is known as "multiple gating" (Loeber, Dishion, and Patterson, 1984). Multiple gating is a process in which a series of progressively more precise (and expensive) assessments or "gates" are used to identify children who need help with their behavior. One such screening procedure is the Systematic Screening for Behavior Disorders (SSBD) (Walker and Severson, 1990).

This screening procedure offers a cost-effective, mass screening of all students in grades one to six in regular education classrooms. The SSBD is made up of a combination of teacher nominations (Gate 1), teacher rating scales (Gate 2), and observations of classroom and playground problem behavior (Gate 3). It was nationally standardized on 4,500 students for the Gate 2 measures and approximately 1,300 students for the Gate 3 measures. It represents a significant advance in enabling the systematic and comprehensive screening of behavioral problems among general education students (Gresham, Lane, and Lambros, 2002). The major advantage of the SSBD is first, its ease of use, and second, its common set of standards for teachers to use in evaluating students' behavior; these standards remove most of the subjectivity that is endemic to the referral process commonly used in schools (Severson and Walker, 2002). If all schools employed universal screening (and backed it up with effective early interventions), an enormous amount of defiant and destructive behavior could be prevented—and innumerable teaching hours could be preserved. (To learn more about the SSBD, see "Prevention Begins with Screening.")

C. Key Features of Effective Interventions

When dealing with well-established antisocial behavior, a combination of the following techniques is usually required in order to successfully bring about behavior change: (1) a consistently enforced schoolwide behavior code, (2) social-skills training, (3) appropriately-delivered adult praise for positive behavior, (4) reinforcement contingencies and response costs, and (5) time-out (see Wolf, 1978). Each of these techniques is briefly explained below.

Over the past three decades, an extensive body of research has developed on the effectiveness of these techniques for preventing and remediating problem behavior within the context of schools. Studies of the use of these techniques show that positive strategies (appropriate praise, social-skills training, providing free-time privileges or activities) are generally sufficient for developing and maintaining the appropriate behavior of most students. However, students with challenging behavior often also require sanctions of some type (e.g. time-out or loss of privileges) in order to successfully address their problems. Extensive research clearly shows that, to be most effective, intervention programs or regimens incorporating these techniques should be applied across multiple settings (classrooms, hallways, playgrounds, etc.), operate for a sufficient time period for them to work, and should involve teachers and parents in school-home partnerships whenever possible.

No single technique applied in isolation will have an enduring impact. Used together, however, they are effective—especially for antisocial students age 8 or younger. Assembling these techniques into feasible and effective daily routines can be done by individual teachers in well-run schools. But it is difficult, time-consuming, and fraught with trial and error. Among the fruits of the past several decades of research on this topic is a group of carefully developed and tested programs that integrate these techniques into entirely doable programs that don't overly distract teachers from their main job: teaching. Several are briefly described in this and the following section. In addition, two programs (one universal and one selected) are highlighted in the sidebars "Good Behavior Needs to Be Taught" and "Dealing with Jimmy the 'Terror'—How an Intensive Intervention Works."

1. A Well-Enforced Schoolwide Behavior CodeA schoolwide behavior code creates a positive school climate by clearly communicating and enforcing a set of behavioral standards. The code should consist of 5 to 7 rules—and it's essential to carefully define and provide examples of each rule. Ideally, school administrators, teachers, related services staff, students, and parents should all be involved in the development of the code. But writing the code is just the first step. Too often, teachers and others complain, a behavior code is established—and left to wither. To be effective, students must be instructed in what it means, have opportunities to practice following the rules, have incentives for adhering to it (as described in the third and fourth techniques below), and know that violating it brings consequences.

One excellent, inexpensive program for teaching the schoolwide behavior expectations reflected in a code is called Effective Behavior Support (EBS). The principal features of EBS are that all staff (administrative, classroom, lunchroom, playground, school bus, custodial, etc.) recognize and abide by the same set of behavioral expectations for all students. The behavior expectations are explicitly taught to students and they are taught in each relevant venue. In groups of 30 to 45, students are taken to various parts of the school (e.g., the bus loading zone, cafeteria, main hallway, gym, and classrooms) to discuss specific examples of behaviors that would, and would not, meet the behavior expectations. Once they have learned the expectations, they are motivated to meet them by earning rewards and praise for their good behavior.

2. Social Skills TrainingAs discussed earlier, many antisocial students enter school without adequate knowledge of—or experience with—appropriate social skills. These skills must be taught, practiced, and reinforced. This is the purpose of social skills training. Skills taught include empathy, anger management, and problem solving. They are taught using standard instructional techniques and practiced so that students not only learn new skills, but also begin using them throughout the school day and at home. While the training is vital for antisocial students, all students benefit from improving their social skills—especially students "on the margin" of antisocial behavior. Social skills curricula are typically taught in one or two periods a week over the course of several months and in multiple grades. One of the most tested and effective social skills curricula, called Second Step, is described in the sidebar "Good Behavior Needs to Be Taught."

3. Adult PraiseAdult praise (from teachers, parents, or others) is a form of focused attention that communicates approval and positive regard. It is an abundantly available, natural resource that is greatly underutilized. Researchers have found that teachers do tend to praise their regular students for good behavior, but they tend not to seize opportunities to praise antisocial students when they are behaving well (Mayer & Sulzer-Azaroff, 2002). This is indeed unfortunate because praise that is behavior specific and delivered in a positive and genuine fashion is one of our most effective tools for motivating all students and teaching them important skills. Reavis et al. (1996) note that praise should be immediate, frequent, enthusiastic, descriptive, varied, and involve eye contact. We would also suggest that the ratio of praise to criticism and reprimands be at least 4:1—and higher if possible. Although antisocial students may not immediately respond to praise because of their long history of negative interactions with the adults in their lives, when paired with other incentives (such as the type of reward system described below), the positive impact of praise will eventually increase.

4. Reinforcement Contingencies and Response CostsRewards and penalties of different sorts are a common feature of many classroom management strategies. Research shows that there are specific "best" ways to arrange these reinforcements to effectively motivate students to behave appropriately. These strategies are called individual reinforcement contingencies, group reinforcement contingencies, and response costs. Individual contingencies are private, one-to-one arrangements between a teacher or parent and a student in which specified, positive consequences are made available dependent ("contingent") upon the student's performance. Earning a minute of free time for every 10 or 15 math problems correctly solved, or attempted, is an example of an individual contingency.

Group contingencies are arrangements in which an entire group of individuals (e.g., a class) is treated as a single unit and the group's performance, as a whole, is evaluated to determine whether a reward is earned, such as an extra five minutes of recess. (Note: A group can fail to earn a reward, such as an extra five minutes of recess, but should not be penalized, such as by losing five minutes of the normal recess.) This strategy gets peers involved in encouraging the antisocial student to behave better. For example, if the antisocial student disrupts the class, instead of laughing at his antics, other students will encourage him to quiet down so that they can all earn the reward. To make it easier to keep track of students' behavior, reinforcement contingencies are often set up as point systems in which students must earn a certain number of points within a certain time period in order to earn a reward.

"Response costs" are a form of penalty that is added to the package of contingencies when working toward a reward is not quite enough to change students' behavior. Teachers can increase the effectiveness of contingencies by adding a response cost so that good behavior earns points and bad behavior subtracts points—making it much harder to earn a reward. (Response costs are the basis for late fees, traffic tickets, penalties in football, foul shots in basketball, and other sanctions in public life.) This technique is further explained in the sidebar on First Step to Success, an intensive program for extremely aggressive K–3rd-grade children (see "Dealing with Jimmy the 'Terror'—How an Intensive Intervention Works").

5. Time-OutTime-out is a technique of last resort in which students are removed for just five to 15 minutes from situations in which they have trouble controlling their behavior and/or their peers' attention is drawn to their inappropriate behavior. We recommend both in-classroom time-out for minor infractions and out-of-classroom time-out (the principal's office or a designated time-out room) for more serious infractions. Students should be given the option of volunteering for brief periods of time-out when they temporarily cannot control their own behavior, but teachers should never physically try to force students into time-out. Finally, in-class time-out should be used sparingly and should not be used with older students. Older students who need to be removed from a situation can be sent to the principal's office or another "cool-down" room instead of having an in-class time-out.

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The research foundation for these techniques is quite strong and the empirical evidence of their effectiveness is both persuasive and growing. For the past 40 years, researchers in applied behavior analysis have worked closely with school staff and others in testing and demonstrating the effectiveness of these techniques within real world settings like classrooms and playgrounds. Literally hundreds of credible studies have documented the effectiveness of each of these techniques—as well as combinations of them—in remediating the problems that antisocial children and youth bring to schooling. The research has also surfaced guidelines for the effective application of the techniques in school contexts (Walker, 1995).

Funding Early Interventions

With the research reviewed here, building support for the idea of early interventions should not be difficult—but finding funds could be if you don’t know where to look. One source is Title I. Schools in which at least 40 percent of the students are poor should look into using the schoolwide provision of Title I to fund universal interventions. Under Title I schoolwide, you can combine several federal, state, and local funding streams to support school improvement programs. Insofar as students are identified as emotionally disturbed, their interventions can be funded by IDEA. The federal government also provides funding to reduce behavior problems through the Safe and Drug Free Schools and Communities Act. In this case, state education agencies receive funds to make grants to local education agencies and governors receive funds to make complementary grants to community-based organizations. Schools can also partner with mental health agencies, enabling services to be covered by insurance such as Medicaid and the State Children’s Health Insurance Program. Plus, most states have funding streams that could support the programs described in this article. (For more information on funding, see chapter two of Safe, Supportive, and Successful Schools: Step by Step, available from Sopris West for $49; order online at www.sopriswest.com/swstore/product.asp?sku=872.)

IV. Effective Programs for Preventing Antisocial Behavior

In spite of huge advances in our knowledge of how to prevent and treat antisocial behavior in the past decade, the Surgeon General's Report on Youth Violence indicates that less than 10 percent of services delivered in schools and communities targeting antisocial behavior patterns are evidence-based (see Satcher, 2001). As these children move through schools without effective intervention services and supports, their problems are likely to become more intractable and ever more resistant to change. This is simply not necessary. Effective, manageable programs exist.

We highlight three promising interventions—Second Step, First Step to Success, and Multisystemic Therapy—as examples of, respectively, universal, selected, and indicated interventions. The coordinated implementation of these or similar programs can make a remarkable difference in the orderliness of schools and classrooms and in the lives of antisocial youth (not to mention the victims of their aggression).

Second Step, a social skills training program for K–9 students, is described in detail on page 16. It was recently rated as the number one program for ensuring school safety by a blue ribbon panel of the U.S. Department of Education. Evaluations of Second Step have found results ranging from decreases in aggression and disruption among 109 preschool and kindergarten children from low-income, urban homes (McMahon, 2000) to less hostility and need for adult supervision among over 1,000 second- to fifth-grade students (Frey, Nolen, Van Schoiack-Edstrom, and Hirschstein, 2001).

First Step, described in the sidebar "Good Behavior Needs to Be Taught," is an intensive intervention for highly aggressive K–3 students. Experimental studies with kindergartners have found great improvements in their overall classroom behavior and academic engagement, and substantial reductions in their aggression during implementation and over many years following the end of intervention (see Walker, Kavanagh, Stiller, Golly, Severson, and Feil, 1998; Epstein and Walker, 2002). Similarly, studies involving two sets of identical twins enrolled in regular kindergarten programs found that exposure to the program produced powerful behavior changes upon introduction of the intervention that were maintained throughout the program's implementation (Golly, Sprague, Walker, Beard, and Gorham, 2000). These types of positive effects have also been replicated by other investigators. The First Step program has been included in six national reviews of effective early interventions for addressing oppositional and/or aggressive behavior in school.

Multisystemic Therapy (MST) is a family-focused intervention conducted by a trained therapist. It is aimed at the most severely at-risk youth, those who have been or are about to be incarcerated, often for violent offenses. Very often, the student has already been assigned to an alternative education setting. The therapist teaches parents the skills they need to assist their antisocial child to function more effectively across a range of social contexts. Daily contact between the student and therapist is common in the early stages of MST and reduces to several times per week as the intervention progresses. Therapists periodically talk to teachers to find out about the children's behavior, attendance, and work habits. Most importantly, teachers need to let therapists know when they perceive incremental improvements in the children's behavior—the therapists use this information to guide their work with the families. According to the Blueprints for Violence Prevention Project, MST has been found to reduce long-term rates of being re-arrested by 25 to 70 percent, to greatly improve family functioning, and to lessen mental health problems (Blueprints, 2003). (To find out if MST is available in your area, visit www.mstservices.com.)

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As the research clearly shows, these three programs have the potential to prevent countless acts of aggression and positively influence both school and family functioning.

Disruptive student behavior will decrease and teaching time will increase, allowing all children to learn more. Office discipline referrals will decrease, freeing up school staff to address other school needs like supporting instruction. Effective programs do require an upfront investment of time and energy, but over the school year, and certainly over the school career, they more than "pay for themselves" in terms of teaching time won back.

An obvious subtext in the article has been that elementary schools—and especially K-3 teachers—must bear the burden of preventing antisocial behavior. This may come as a surprise since behavior problems seem so much more severe as children age. But if there's one uncontestable finding from the past 40 years of research on antisocial children, it's this: The longer students are allowed to be aggressive, defiant, and destructive, the more difficult it is to turn them around. While high schools can, and should, do what they can to help antisocial students control themselves, elementary schools can, and should, actually help antisocial children to become socially competent.

Hill M. Walker is founder and co-director of the Institute on Violence and Destructive Behavior at the University of Oregon, where he has been a professor since 1967. Walker has published hundreds of articles; in 1993 he received the Outstanding Research Award from the Council for Exceptional Children and in 2000 he became the only faculty member to receive the University of Oregon's Presidential Medal. Elizabeth Ramsey is a school counselor at Kopachuck Middle School in Gig Harbor, Wash., and a co-author of the Second Step program. Frank M. Gresham is distinguished professor and director of the School Psychology Program at the University of California-Riverside. He is co-author of the Social Skills Rating System and co-principal investigator for Project REACH. The Division of School Psychology in the American Psychological Association selected him for the Senior Scientist Award. Together, Walker, Ramsey, and Gresham wrote Antisocial Behavior in School: Evidence-Based Practices, on which this article is based.

*In the AFT's poll, of the 43 percent of teachers who said they had students in their classes with discipline problems, more than half said the problems were caused by one to three students. Poll conducted by Peter D. Hart Research Associates, October 1995. (back to article)

†It is important to note that the kind of coercive interaction described is very different from parents' need to establish authority in order to appropriately discipline their children. This is accomplished through the clear communication of behavioral expectations, setting limits, monitoring and supervising children's behavior carefully, and providing positive attention and rewards or privileges for conforming to those expectations. It also means using such strategies as ignoring, mildly reprimanding, redirecting, and/or removing privileges when they do not. These strategies allow parents to maintain authority without relying on the coercion described above and without becoming extremely hostile or giving in to children's attempts to use coercion. (back to article)

‡This unfortunate behavior pattern soon leads to peer rejection (Reid, Patterson and Snyder, 2002). When behaviorally at-risk youth are rejected and forsaken by normal, well-behaved peers, they often begin to form friendships amongst themselves. If, over several years (and particularly in adolescence), these friendships solidify in such a way that these youth identify with and feel like members of a deviant peer group, they have a 70 percent chance of a felony arrest within two years (Patterson et al., 1992). (back to article)

§Kauffman (1999) suggests that the field of education actually "prevents prevention" of behavioral disorders through well-meaning efforts to "protect" difficult children from being labeled and stigmatized by the screening and identification process. (back to article)

**Successful model programs have been reviewed and described extensively by Catalano, Loeber, and McKinney (1999), by Loeber and Farrington (2001), and by Reid and his colleagues (2002). (back to article)

References

Burns, B. (2002). Reasons for hope for children and families: A perspective and overview. In B. Murns & K.K. Hoagwood (Eds.), Community treatment for youth: Evidence-based interventions for severe emotional and behavioral disorders (pp. 1–15). New York: Oxford University Press.

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